/*
 * Copyright 2010-2012 Susanta Tewari. <freecode4susant@users.sourceforge.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package commons.util;

/**
 * @author Susanta Tewari
 */
public class MathUtil {

    /**
     * Constructs ...
     *
     */
    private MathUtil() {}

    /**
     * Method description
     *
     *
     * @param values
     *
     * @return
     */
    public static Double sumDoublePrecision(Iterable<? extends Number> values) {

        double result = 0;

        for (Number num : values) {

            result += num.doubleValue();

        }

        return result;
    }


    /**
     * Method description
     *
     *
     * @param vals
     *
     * @return
     */
    public static long sum(final int[] vals) {

        long sum = 0;

        for (int val : vals) {

            sum += val;

        }

        return sum;
    }


    /**
     * Class description
     *
     *
     * @param <T>
     *
     * @version        Enter version here..., 12/10/09
     * @author         Susanta Tewari    
     */
    public static class MultivariateAdder<T extends Number> {

        /** Field description */
        private T[] sum;
    }
}
